123B/124B/125B Buyers Handbook The Meter Recorder tends to make the Exam Tool act as a paperless recorder that collects a series of parameter measurements after a while and shows The end result to be a graph or even a trend-line on monitor. That is most handy to..Ch? c?n ?áp ?ng ???c nh?ng yêu c?u ??n gi?n c?a 123B là b?n s? có c? h?i ???c nh?n